Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
08005excellentexcellent11excellent
07007excellentexcellent21excellent
060010excellentexcellent21excellent
05008excellentexcellent11excellent
04006excellentexcellent21excellent
03007excellentexcellent21excellent
02007excellentexcellent21excellent
01009excellentexcellent21excellent
00008excellentexcellent21excellent
23009excellentexcellent21excellent
22004excellentexcellent21excellent
21007excellentexcellent21excellent
200011excellentexcellent31excellent
190011excellentexcellent31excellent
180010excellentexcellent11excellent
17008excellentexcellent11excellent
16008excellentexcellent11excellent
15008excellentexcellent11excellent
14006excellentexcellent11excellent
13006excellentexcellent21excellent
120014goodexcellent21excellent
110017goodexcellent21excellent
100016goodexcellent21excellent
090012excellentexcellent21excellent